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Finding the Fourth Proportional to 53,809.46, 80,717.06 and 16,366.67

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Solution

The fourth proportional to 53,809.46, 80,717.06 and 16,366.67 is: 24,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,809.46 : 80,717.06 = 16,366.67 : x
  2. Step 2: Convert to fraction form
    53,809.46/80,717.06 = 16,366.67/x
  3. Step 3: Cross multiply
    53,809.46x = 80,717.06 × 16,366.67
  4. Step 4: Simplify right side
    53,809.46x = 1,321,069,402.56
  5. Step 5: Solve for x
    x = 1,321,069,402.56/53,809.46
  6. Step 6: Final answer
    x = 24,550.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.